Mine has never run hot, even on long trail days at low speed. Just has the clutch fan, and probably all original cooling system.

 

Well I bought my Jeep with cooling issues. My head was cracked radiator plugged and bearings in the engine wiped from coolant. After engine overhaul and new rad, hoses, t-stat, heater core, water pump, ZJ fan clutch and new E-Fan i dont think I could make it overheat if I wanted to stays well below 210 at all times. Even with a/c amd idling.

 

Mine rides 210.

 

Neither the 94 or the 89 have boiled over. The 89 use to get warmer than I like, I got tired of messing with the closed system and converted it to an open system and it runs great.

 

I got a 92 laredo ran right before 210 then the water pump went out so I replaced that and a radiator shortly.now I'm well below 210.

 

mine doesnt a all. all orginal cooling system

 

Mine is fine when driving but sitting idling it's normally at 220ish. Put in a new water pump and thermostat (190) and still runs hot

 

when I got my xj I just went ahead and changed everything cooling system wise. it runs less then 210 with or without ac on...desert or traffic..heat kills so i just made sure all was new.
Cameron

 

IMHO As long as the cooling system is maintained, I don't think you will ever have an issue.

 

My 93 xj runs alittle on the cold side if anything and the hottest it realy ever gets is around 210 and thats when taking it through trails nice n slow

 

I think some peoples gauges are less the accurate as well. My gauge run a tic above 210 ( with the hood closed and yes it does make a difference.) connect an aftermarket gauge and it right at 210. With the hood open it runs a tic below 210 on the factory gauge aftermarket gauge is 200. Only reason i know about hood open or closed is because i have been idling my Jeep lately working out kinks after an engine overhaul. Just saying if you are questioning if your overheating verify it with an external gauge.